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## #1 2007-03-08 18:19:40

renjer
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Registered: 2006-04-29
Posts: 50

### Pls expand this for me

√ (4+∈²)

where ∈ is a variable (u can call it E if u like). I know its the binomial expansion but i can't seem to do it.

Last edited by renjer (2007-03-08 18:20:22)

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## #2 2007-03-08 19:00:07

Stanley_Marsh
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Registered: 2006-12-13
Posts: 345

### Re: Pls expand this for me

Last edited by Stanley_Marsh (2007-03-08 19:02:25)

Numbers are the essence of the Universe

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## #3 2007-03-08 19:03:54

Stanley_Marsh
Member
Registered: 2006-12-13
Posts: 345

### Re: Pls expand this for me

I just looked up some information for you , I haven't seriously learned the expansion.

Numbers are the essence of the Universe

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## #4 2007-03-08 23:09:40

renjer
Member
Registered: 2006-04-29
Posts: 50

### Re: Pls expand this for me

Can someone else expand this for me pls?

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## #5 2007-03-09 00:08:04

Toast
Real Member
Registered: 2006-10-08
Posts: 1,321

### Re: Pls expand this for me

Why would you want to expand that? Is it not already in simplest form?

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## #6 2007-03-09 02:50:51

renjer
Member
Registered: 2006-04-29
Posts: 50

### Re: Pls expand this for me

No, its not. We have to somehow expand that and compare it to another equation.

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## #7 2007-03-09 03:31:58

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

### Re: Pls expand this for me

Is it just me, or aren't this:

and this:

significantly different??

Last edited by John E. Franklin (2007-03-09 03:36:09)

igloo myrtilles fourmis

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## #8 2007-03-09 03:55:14

luca-deltodesco
Member
Registered: 2006-05-05
Posts: 1,470

### Re: Pls expand this for me

yes they are, the binomial expansion can only be used in the form

(1+a)^n where -1 < n < 1.

Last edited by luca-deltodesco (2007-03-09 03:57:43)

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